Which of the Following Best Explains Why a Grass Species

Which of the following best explains why a grass species might disappear when a meat-eating species is removed from a community?

A) The meat-eating species protects grass directly as a way to provide cover for themselves while stalking their prey.
B) The grass seeds are dispersed by meat eaters who travel long distances and deposit grass seeds in their feces.
C) The meat-eating species eats organisms that eat grass. Removing the meat-eater allows an increase in the abundance of grass-eating organisms.
D) The loss of meat-eaters from a community typically causes drastic changes in the physical environment that prevent grasses from sprouting.